Can You Take Power Banks On An Airplane. Normally the output voltage is 5V so the allowed capacity would be 20000mAh. Power banks with power between 100Wh and 160Wh can be carried after the air carrier grants the passenger approval.
Lithium Power Banks as checked in luggage is prohibited This limit varies but most are between 100300 Wh. Your 30 000 mAh power bank would have a capacity around 110Wh 30 Ah x 36-37 V depending on the cell type. Well use the example of a 15000 mAh 37 volt charger.
For more prohibited items please go to the What Can I Bring page.
That means the capacity of power banks within 20000mAh would be applicable. With 18W Power Delivery it can fast charge your iPhone X up to 50 within 30 mins. There will be nothing more annoying than packing a massive power bank in your hand luggage to only have it taken off you at security for being over the limit. Some airlines permit you to take power banks up to 160Wh in your hand luggage though anything over 100Wh must be checked with the airline.
